Verizon is planning to shut down its 3G network at the end of 2022, This will end the long lived support of the 3G hardware. Verizon has scheduled to end all the 3G network on December 31, 2022. This will be long after all the other cellular competitors has disabled 3G support. Verizon is hoping by setting a date to have this service disabled, everyone that is currently using the 3G service will be able to move over to a 4G or 5G service.
Verizon originally planned on removing the 3G service on December 31, 2019. Verizon delayed this period as they wanted to make sure the impacted customers would have time to make arrangements to stay connected.